EHSD Topic 8_Cross Connection and Backflow Quiz

What is backflow?

• Water flowing in the right direction

• Water flowing in the wrong direction

• Water that is hot

• Water that is clean

What can cause backflow?

• No pressure

• Both high and low pressure

• Low pressure

• High pressure

What happens during back siphonage?

• Water flows from high to low pressure

• Water flows from low to high pressure

• Water evaporates

• Water stays still

What is a common cause of back pressure?

• A broken pipe

• A strong wind

• A high water tank

• A low water tank

What is an air gap?

• A type of pressure

• A space between two pipes

• A type of water

• A kind of valve

What does a hose connection vacuum breaker do?

• Makes water hot

• Prevents back siphonage

• Allows water to flow freely

• Keeps water clean

What is a double check valve assembly?

• A kind of water pump

• A type of water filter

• A device to stop backflow

• A type of faucet

What happens if a double check valve fails?

• Water stops flowing

• Water becomes dirty

• Water can backflow

• Water flows normally

What is the purpose of a reduced-pressure zone assembly?

• To decrease water pressure

• To increase water pressure

• To prevent backflow

• To heat water

What can happen if there is a backflow in a water system?

• Water can boil

• Water stays clean

• Water can become dirty

• Water can freeze